Cafe Pergolesi Signature Espresso: Brew Our Signature Espresso at Home. Perfect Grind For Home Equipment. Always Brew a Perfect Cup with Cafe Pergolesi Signature Organic House Espresso Coffee. Dark, rich, complex and smooth; this is an espresso to linger over. Served at Cafe Pergolesi with lemon peel and a cane sugar cube, equally at home as the basis for a tall Americano or romantic Cappaccino.